Miami Dolphins general manager Jon-Eric Sullivan told reporters on Wednesday that running back De’Von Achane is not available for trade. Achane did not report to voluntary OTAs in April. His absence is expected to be contract-related.

Sullivan shared that the team is heading in the right direction on a contract extension with the running back. Achane could reportedly be aiming to beat the four-year, $48 million contract extension that Buffalo Bills running back James Cook signed last offseason, according to the Miami Herald’s Omar Kelly.

Achane is in the final year of his rookie contract and making $5.7 million. The Dolphins restructured his contract in March. They reportedly converted $4.6M of his salary into a signing bonus, added 4 void years and cleared $3.6M of cap space, according to Spotrac.

Dolphins head coach Jeff Hafley also told reporters it is part of the business and he believes it’ll work out. Sullivan has called Achane a pillar on the team, along with linebacker Jordyn Brooks and center Aaron Brewer.

Achane is coming off a career year with the Miami Dolphins, as he made his first Pro Bowl. The running back had 238 carries for 1,350 yards and 8 touchdowns. Achane also finished with the most receptions on the Dolphins with 67 catches for 488 yards and 4 touchdowns.

While Sullivan continues to downplay trade rumors involving Achane, he told reporters early this offseason that no one is untouchable; he traded wide receiver Jaylen Waddle to the Denver Broncos for multiple picks in March.

The Dolphins have also moved on from former centerpieces of the last regime this offseason, such as quarterback Tua Tagovailoa, wide receiver Tyreek Hill, pass rusher Bradley Chubb, safety Minkah Fitzpatrick and fullback Alec Ingold.

The Dolphins are coming off a 7-10 season and are expected to be rebuilding after taking on more than $170 million in dead cap this offseason. The Dolphins have missed the playoffs the last two seasons and have not advanced to the divisional round since 2000.